{"id":104087,"date":"2022-05-19T03:36:51","date_gmt":"2022-05-19T01:36:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-dns-servera-bind-c-ustraneniem-uyazvimosti-v-realizaczii-dns-over-https"},"modified":"2022-05-19T03:36:51","modified_gmt":"2022-05-19T01:36:51","slug":"obnovlenie-dns-servera-bind-c-ustraneniem-uyazvimosti-v-realizaczii-dns-over-https","status":"publish","type":"post","link":"https:\/\/prohoster.info\/lv\/blog\/news\/obnovlenie-dns-servera-bind-c-ustraneniem-uyazvimosti-v-realizaczii-dns-over-https","title":{"rendered":"DNS servera BIND atjaunin\u0101jums ar ievainojam\u012bbas nov\u0113r\u0161anu DNS-over-HTTPS \u012bsteno\u0161an\u0101","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ir public\u0113tas izlabojumu versijas stabil\u0101m DNS servera BIND 9.16.28 un 9.18.3 zar\u0101m, k\u0101 ar\u012b jauna eksperiment\u0101l\u0101s versijas 9.19.1 izlaidums. Versij\u0101s 9.18.3 un 9.19.1 ir nov\u0113rsta ievainojam\u012bba (CVE-2022-1183) DNS-over-HTTPS meh\u0101nisma \u012bstenojum\u0101, kas tiek atbalst\u012bts kop\u0161 9.18 zar\u0101. Ievainojam\u012bba izraisa named procesa av\u0101riju, ja TLS savienojums ar HTTP b\u0101zes apkalpot\u0101ju tiek priek\u0161laic\u012bgi p\u0101rtraukts. Probl\u0113ma skar tikai serverus<\/a>, kas apkalpo DNS over HTTPS (DoH) piepras\u012bjumus. Serveri, kas pie\u0146em piepras\u012bjumus pa DNS over TLS (DoT) un neizmanto DoH, \u0161ai probl\u0113mai nav pak\u013cauti. <\/p>\n

Versij\u0101 9.18.3 ir pievienoti vair\u0101ki funkcion\u0101lie uzlabojumi. Ir pievienota atbalsts otrajai zonu katalogu versijai (\"Catalog Zones\"), kas noteikta piektaj\u0101 IETF specifik\u0101ciju melnrakst\u0101. Zonu katalogs pied\u0101v\u0101 jaunu metodi sekund\u0101ro DNS serveru uztur\u0113\u0161anai, kur, nevis defin\u0113jot atsevi\u0161\u0137as ierakstu sekund\u0101raj\u0101 server\u012b katrai sekund\u0101rajai zonai, tiek organiz\u0113ta noteikta sekund\u0101ro zonu p\u0101rs\u016bt\u012b\u0161ana starp prim\u0101ro un sekund\u0101ro serveri. T.i., nokonfigur\u0113jot katalogu p\u0101rs\u016bt\u012b\u0161anu l\u012bdz\u012bgi k\u0101 atsevi\u0161\u0137u zonu p\u0101rs\u016bt\u012b\u0161anu, prim\u0101raj\u0101 server\u012b izveidot\u0101s zonas, kas atz\u012bm\u0113tas k\u0101 pieder\u012bgas katalogam, tiks autom\u0101tiski izveidotas uz sekund\u0101r\u0101 servera bez nepiecie\u0161am\u012bbas redi\u0123\u0113t konfigur\u0101cijas failus. <\/p>\n

Jaunaj\u0101 versij\u0101 ir pievienots ar\u012b atbalsts papla\u0161in\u0101tajiem k\u013c\u016bdu kodiem \"Stale Answer\" un \"Stale NXDOMAIN Answer\", ko izsniedz, kad novecojis atbildes tiek atgriezts no ke\u0161atmi\u0146as. r\u012bkos named un dig ir iek\u013cauta iesp\u0113ja p\u0101rbaud\u012bt \u0101r\u0113j\u0101s TLS sertifik\u0101tiem<\/a>, ko var izmantot stingras vai koplietojamas TLS (RFC 9103) autentifik\u0101cijas organiz\u0113\u0161anai.
\n
Avots: opennet.lv<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0432\u0435\u0442\u043e\u043a DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 BIND 9.16.28 \u0438 9.18.3, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 9.19.1. \u0412 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 9.18.3 \u0438 9.19.1 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2022-1183) \u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 DNS-over-HTTPS, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0442\u043a\u0438 9.18. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442 \u043a \u0430\u0432\u0430\u0440\u0438\u0439\u043d\u043e\u043c\u0443 \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 named \u0432 \u0441\u043b\u0443\u0447\u0430\u0435, \u0435\u0441\u043b\u0438 TLS-\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u043a \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0443 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 HTTP \u0431\u0443\u0434\u0435\u0442 \u0434\u043e\u0441\u0440\u043e\u0447\u043d\u043e \u043e\u0431\u043e\u0440\u0432\u0430\u043d\u043e. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 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